DUAL COMPRESSION AND DUAL EXPANSION INTERNAL COMBUSTION ENGINE AND METHODTHEREFOR

(19)

(11)

EP 0 680 551 A1

(12)

(43)	Date of publication:
	08.11.1995 Bulletin 1995/45

(21)	Application number: 92921694.0

(22)	Date of filing: 01.04.1991

(51)

International Patent Classification (IPC):

F02B 25/ 08^{( . )}
F01B 7/ 20^{( . )}
F01L 11/ 02^{( . )}
F02B 41/ 02^{( . )}
F02B 59/ 00^{( . )}
F02B 75/ 02^{( . )}
F02B 75/ 30^{( . )}
F02M 57/ 00^{( . )}
F02B 3/ 06^{( . )}

F01B 7/ 02^{( . )}
F01L 9/ 02^{( . )}
F02B 41/ 00^{( . )}
F02B 53/ 00^{( . )}
F02B 73/ 00^{( . )}
F02B 75/ 28^{( . )}
F02F 1/ 18^{( . )}
F02M 61/ 14^{( . )}

(86)	International application number:
	PCT/US1991/002234

(87)	International publication number:
	WO 1992/017693 (15.10.1992 Gazette 1992/26)

(84)	Designated Contracting States:
	DE FR GB

(60)	Divisional application:
	93118124.2 / 0593089

(60)	Divisional application:
	93118125.9 / 0593090

(60)	Divisional application:
	96116228.6 / 0756067

(60)	Divisional application:
	98119735.3 / 0892162

(71)	Applicant: CATERPILLAR INC.
	Peoria Illinois 61629-6490 (US)

(72)	Inventor:
	Clarke, John, Michael Chillicothe, IL 61523 (US)

(74)	Representative: Brunner, Michael John, et al
	GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)

(54)	DUAL COMPRESSION AND DUAL EXPANSION INTERNAL COMBUSTION ENGINE AND METHODTHEREFOR